| /* |
| This file is part of libmicrohttpd |
| Copyright (C) 2008 Christian Grothoff (and other contributing authors) |
| Copyright (C) 2014-2022 Evgeny Grin (Karlson2k) |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file authorization_example.c |
| * @brief example for how to use libmicrohttpd with HTTP authentication |
| * @author Christian Grothoff |
| * @author Karlson2k (Evgeny Grin) |
| */ |
| |
| #include "platform.h" |
| #include <microhttpd.h> |
| #ifdef _WIN32 |
| #ifndef WIN32_LEAN_AND_MEAN |
| #define WIN32_LEAN_AND_MEAN 1 |
| #endif /* !WIN32_LEAN_AND_MEAN */ |
| #include <windows.h> |
| #endif |
| |
| #define PAGE \ |
| "<html><head><title>libmicrohttpd demo</title></head><body>libmicrohttpd demo</body></html>" |
| |
| #define DENIED \ |
| "<html><head><title>Access denied</title></head><body>Access denied</body></html>" |
| |
| |
| static enum MHD_Result |
| ahc_echo (void *cls, |
| struct MHD_Connection *connection, |
| const char *url, |
| const char *method, |
| const char *version, |
| const char *upload_data, size_t *upload_data_size, void **req_cls) |
| { |
| static int aptr; |
| struct MHD_Response *response; |
| enum MHD_Result ret; |
| struct MHD_BasicAuthInfo *auth_info; |
| int fail; |
| (void) cls; /* Unused. Silent compiler warning. */ |
| (void) url; /* Unused. Silent compiler warning. */ |
| (void) version; /* Unused. Silent compiler warning. */ |
| (void) upload_data; /* Unused. Silent compiler warning. */ |
| (void) upload_data_size; /* Unused. Silent compiler warning. */ |
| |
| if (0 != strcmp (method, "GET")) |
| return MHD_NO; /* unexpected method */ |
| if (&aptr != *req_cls) |
| { |
| /* do never respond on first call */ |
| *req_cls = &aptr; |
| return MHD_YES; |
| } |
| *req_cls = NULL; /* reset when done */ |
| |
| /* require: "Aladdin" with password "open sesame" */ |
| auth_info = MHD_basic_auth_get_username_password3 (connection); |
| fail = ( (NULL == auth_info) || |
| (strlen ("Aladdin") != auth_info->username_len) || |
| (0 != memcmp (auth_info->username, "Aladdin", |
| auth_info->username_len)) || |
| /* The next check against NULL is optional, |
| * if 'password' is NULL then 'password_len' is always zero. */ |
| (NULL == auth_info->password) || |
| (strlen ("open sesame") != auth_info->password_len) || |
| (0 != memcmp (auth_info->password, "open sesame", |
| auth_info->password_len)) ); |
| if (fail) |
| { |
| response = |
| MHD_create_response_from_buffer_static (strlen (DENIED), |
| (const void *) DENIED); |
| ret = MHD_queue_basic_auth_fail_response3 (connection, |
| "TestRealm", |
| MHD_NO, |
| response); |
| } |
| else |
| { |
| response = |
| MHD_create_response_from_buffer_static (strlen (PAGE), |
| (const void *) PAGE); |
| ret = MHD_queue_response (connection, MHD_HTTP_OK, response); |
| } |
| if (NULL != auth_info) |
| MHD_free (auth_info); |
| MHD_destroy_response (response); |
| return ret; |
| } |
| |
| |
| int |
| main (int argc, char *const *argv) |
| { |
| struct MHD_Daemon *d; |
| unsigned int port; |
| |
| if ( (argc != 2) || |
| (1 != sscanf (argv[1], "%u", &port)) || |
| (65535 < port) ) |
| { |
| fprintf (stderr, |
| "%s PORT\n", argv[0]); |
| return 1; |
| } |
| |
| d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION |
| | MHD_USE_INTERNAL_POLLING_THREAD | MHD_USE_ERROR_LOG, |
| (uint16_t) port, |
| NULL, NULL, &ahc_echo, NULL, MHD_OPTION_END); |
| if (d == NULL) |
| return 1; |
| fprintf (stderr, "HTTP server running. Press ENTER to stop the server.\n"); |
| (void) getc (stdin); |
| MHD_stop_daemon (d); |
| return 0; |
| } |
